Explained: Voltage Drop

Posted by Jack McKew on Fri 10 May 2019 in Engineering • Tagged with electrical • 2 min read

Voltage drop is a electrical phenomenon in that wires carrying current always have resistance, or impedance to the current flow. Voltage drop is defined as the amount of loss that occurs through part of or all of a circuit due to resistance/impedance.

The most well known analogy for explaining …


Continue reading

How to Program an ESP8266 with MicroPython

Posted by Jack McKew on Fri 05 April 2019 in Engineering • Tagged with electrical, esp8266 • 1 min read

Following the previous two weeks of topics, Introduction to ESP32/ESP8266 and What is MicroPython?.  I wrote an article on maker.pro in which I describe how to program the ESP8266 with MicroPython in detail.


Episode 15 - What is a C.T?

Posted by Jack McKew on Fri 01 March 2019 in Engineering • Tagged with electrical • 2 min read

A C.T is the abbreviated form for a current transformer in electrical terms. It is a simple but effective use of magnetic circuits and transformer characteristics to monitor how power is behaving in a conductor. The C.T works by wrapping a coil of conductor around a core (typically …


Continue reading

Episode 13 - Lighting Design

Posted by Jack McKew on Fri 15 February 2019 in Engineering • Tagged with electrical • 2 min read

Before I started in a more buildings-focused electrical engineering position, I didn't think that much went into selecting lights for buildings. Once you first get started in lighting design, it is like opening a can of worms, there is so much detail that goes into lighting design, it's unfathomable.

First …


Continue reading

Episode 11 - Power Quality Explained

Posted by Jack McKew on Fri 01 February 2019 in Engineering • Tagged with power, electrical, python • 5 min read

I've always lived by the rule that if you can't explain something to a 5 year old then you don't know it well enough. I was asked recently by some (non-electrical focused) colleagues on a handful of electrical terms and components. One of the biggest things that kept popping up …


Continue reading